Steven Levitsky is David Rockefeller Professor of Latin American Studies and Professor of Government at Harvard University, Massachusetts. He is the author of Transforming Labor-Based Parties in Latin America: Argentine Peronism in Comparative Perspective (Cambridge, 2003), coauthor of Competitive Authoritarianism: Hybrid Regimes after the Cold War (Cambridge, 2010), and co- editor of Argentine Democracy: The Politics of Institutional Weakness (2005), Informal Institutions and Democracy: Lessons from Latin America (2006), and The Resurgence of the Latin American Left (2011). He is currently writing a book on the durability of revolutionary regimes. James Loxton is a Lecturer in Comparative Politics in the Department of Government and International Relations at the University of Sydney. He received his Ph.D. from Harvard University, Massachusetts in 2014. He is currently writing a book on conservative party-building in Latin America and co-editing (with Scott Mainwaring) the volume Life after Dictatorship: Authoritarian Successor Parties Worldwide. Brandon Van Dyck is Assistant Professor of Government and Law at Lafayette College, Pennsylvania. He received his PhD from Harvard University, Massachusetts in 2014. He is currently writing a book on the divergent trajectories of Latin America's new left parties. His research has appeared in Comparative Politics, Latin American Politics and Society, Latin American Research Review, and Foreign Affairs Latinoamérica. Jorge I. Domínguez is the Antonio Madero Professor for the Study of Mexico and was Vice Provost for International Affairs at Harvard University, Massachusetts from 2006–15. He is the author of Democratic Politics in Latin America and the Caribbean (1998), Cuba: Order and Revolution (1978) and Cuba hoy: Analizando su pasado, imaginando su futuro (2006). He is also author and co-editor of Cuban Economic and Social Development: Policy Reforms and Challenges in the 21st Century (2012). He is a past editor of the journal Cuban Studies and a past president of the Latin American Studies Association.